Erwinville, LA: High Radon Risk — 52/100 (2026)
1 ZIP code · 4 water systems · Updated 2026-06-03
Across water systems in Erwinville, EPA data shows a below-average compliance pattern for LA — health-based violations are on file in several areas, and checking the specific system serving your address is a practical first step for concerned residents.
How Erwinville Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Erwinville Water
- Homes built before 1986: 18% — older plumbing may contain lead solder.
- Estimated remediation: $1,200 per household.
- CDC health risk index: 14.39 — above typical levels.
Who Supplies Your Water in Erwinville
Water service in Erwinville, LA is split across 3 utilities out of 4 tracked federally, each operating its own infrastructure and compliance record.
Overview
We track water quality and home safety data for 1 ZIP code in Erwinville, Louisiana (population ~1,201), covering 4 community water systems serving approximately 7,242 people region-wide.
No EPA violations recorded across any ZIP codes in Erwinville — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Erwinville: D (52/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Erwinville water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Erwinville
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 70729 | D | Wbr District 4 -section Road Winterville | 5,571 |
All ZIP Codes in Erwinville
- 70729 [D]
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
Health Outcomes in Erwinville
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Housing & Infrastructure in Erwinville
Housing age data helps assess potential lead pipe and infrastructure risks. Newer housing stock generally means lower plumbing-related contamination risk.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Since 1986, federal law has prohibited lead solder in new residential plumbing. With a median build year of 2006, much of Erwinville's housing falls on the safer side of that line — though homes built before 1986 still warrant testing regardless of the city-wide profile.
Most homes in Erwinville were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.
Source: U.S. Census Bureau ACS B25034.
Cost Context: What Remediation Means for Erwinville Homeowners
Low proportionality — that's the Erwinville picture when remediation costs are placed against typical home equity.
Remediation costs in Erwinville are relatively low compared to home values. The $800–$1,800 estimated range is a small fraction of median property value. Home values are 136% above the Louisiana average.
Lead Exposure Risk for Children in Erwinville
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Aggregate sampling rests beneath the federal action threshold here, while only 18% of Erwinville housing predates the solder rule change.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Flood & Climate Risk in Erwinville
A moderate NFIP record for Erwinville — 14 insurance claims paired with 100% of ZIP codes in FEMA flood zones — points to a flood history where water-quality pathways have likely been periodically relevant.
Erwinville has a moderate flood history with 14 FEMA claims averaging $4,378 per payout. 100% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$1,200</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
What You Can Do in Erwinville
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
- Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.
Deep Dive Reports
Detailed analysis for Erwinville, LA